423169446 has 64 divisors (see below), whose sum is σ = 994936320. Its totient is φ = 117469440.

The previous prime is 423169399. The next prime is 423169447. The reversal of 423169446 is 644961324.

It is a super-3 number, since 3×423169446³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423169447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 683325 + ... + 683943.

It is an arithmetic number, because the mean of its divisors is an integer number (15545880).

Almost surely, 2^423169446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423169446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497468160).

423169446 is an abundant number, since it is smaller than the sum of its proper divisors (571766874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423169446 is a wasteful number, since it uses less digits than its factorization.

423169446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069.

The product of its digits is 124416, while the sum is 39.

The square root of 423169446 is about 20571.0827619744. The cubic root of 423169446 is about 750.7662958986.

The spelling of 423169446 in words is "four hundred twenty-three million, one hundred sixty-nine thousand, four hundred forty-six".